Node.jsPostgreSQLKafkaDocker
PayFlow API
Payment infrastructure
High-throughput payment processing API handling 10M+ transactions per month. PCI-DSS compliant with multi-currency support and real-time fraud detection.
The Problem
The existing payment infrastructure was unreliable under high volume, lacked multi-currency support, and had no real-time fraud detection — creating direct financial and compliance exposure.
The Solution
Built a high-throughput payment API with Kafka-backed event streams for resilience, PCI-DSS compliant data handling, multi-currency support, and an ML-powered fraud detection layer.
The Result
10M+ transactions processed monthly at 99.99% uptime, zero fraud losses in the first year of production, and full PCI-DSS compliance from day one.
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